package Put_in;

import java.util.Scanner;

/**
 * @author dx
 * @version 1.0
 * @date 2022/4/23 15:05
 * @description:
 */
public class test6 {
    public static void main(String[]args){
        Scanner s = new Scanner(System.in);
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        String []arr = s.nextLine().split(" ");
    }
}
